CN103246278B - Vehicle trouble detection method and device - Google Patents
Vehicle trouble detection method and device Download PDFInfo
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- CN103246278B CN103246278B CN201310111141.6A CN201310111141A CN103246278B CN 103246278 B CN103246278 B CN 103246278B CN 201310111141 A CN201310111141 A CN 201310111141A CN 103246278 B CN103246278 B CN 103246278B
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- binding post
- wire harness
- breakout box
- control module
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- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 239000007921 spray Substances 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 3
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- 230000037431 insertion Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000004364 calculation method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000012827 research and development Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000008447 perception Effects 0.000 description 1
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- 239000002699 waste material Substances 0.000 description 1
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The present invention relates to motor vehicle maintenance technique field, in particular to a kind of vehicle trouble detection method and device.Vehicle trouble detection method, each contact point of the bus port of ECU control module is drawn binding post, and drawn binding post set is formed breakout box, and setting is numbered one to one, pull out original wire harness, if connect equipment with not having out of order wire harness normally to run, then judge wire harness fault.The present invention also provides a kind of motor vehicle fault detection device, comprises breakout box and wire harness; Breakout box, is electrically connected with the ECU control module of motor vehicle, comprises circuit board and multiple outwardly binding post; Wire harness, is electrically connected at during use between breakout box and detected equipment, comprises many wires, and the shape of one end of wire matches with the binding post on breakout box; The other end is integrated into interface, suitable with detected appliance terminal mouth.The method and device, search without the need to broken line, ensures original circuit integrality and firmness.
Description
Technical field
The present invention relates to motor vehicle maintenance technique field, in particular to a kind of vehicle trouble detection method and device.
Background technology
Along with the development of the motor vehicle such as automobile, motorcycle industry, a large amount of motor vehicles come into operation, and create larger maintenance business thereupon.
In correlation technique, to automobile, motorcycle carries out, in maintenance process, first needing the position that failure judgement occurs, namely needing first to learn is line fault, or equipment failure.And due to the structure of equipment itself comparatively complicated and more difficultly to disassemble, and cost is relatively high, current maintenance personal is when failure judgement position, generally adopt the mode that original overall wire sheaves is pushed aside or cut off, former car carries out dial line and fly line, carry out the problem that failure judgement position is wire harness or equipment.Clearly, this method, maintenance process can damage former vehicle wire harness, and the fastness of damaged position just decreases, and leaves potential safety hazard therefore to car load and system.
In sum, vehicle trouble detection method of the prior art, exists and needs the technical matters destroying original wire harness.
Summary of the invention
The object of the present invention is to provide a kind of vehicle trouble detection method and device, to solve the above problems.
Embodiments provide a kind of vehicle trouble detection method, comprise step:
Steps A, draws binding post by each contact point of the bus port of ECU control module, and drawn binding post set is formed breakout box, and number according to the stitch of ECU bus port, arranges number one to one the binding post on breakout box;
Step B, pulls out the original wire harness between ECU control module and detected equipment, connects described breakout box and detected equipment with not having out of order wire harness;
Step C, if detected equipment normally runs, then judges detected original wire harness fault between equipment and ECU control module.
Wherein, also step is comprised before described steps A:
Obtain the stitch definition numbering of each contact point of the bus port of motor vehicle ECU control module;
By with the numbering of the binding post that each contact point of described ECU control module is drawn be set to define with this contact point stitch number consistent.
Wherein, after described step C, also step is comprised:
If detected equipment cannot normally run, then described in the equipment replacement of trouble-free and detected equipment same type, be detected equipment;
If equipment normally runs, then judge described detected device fails; If still cannot normally run, then judge ECU control module fault.
The embodiment of the present invention additionally provides a kind of motor vehicle fault detection device, comprises breakout box and wire harness;
Described breakout box, be electrically connected with the ECU control module of motor vehicle, comprise circuit board and multiple outwardly binding post, the wiring contact of the bus port of described binding post and described ECU control module connects one to one, and each binding post arranges consistent number-mark with the wiring contact that this binding post connects;
Described wire harness, is electrically connected at during use between breakout box and detected equipment, comprises many wires, and the shape of one end of wire matches with the binding post on described breakout box; The other end of many wires is integrated into an interface, suitable with the Wiring port of detected equipment.
Wherein, the circuit board on described breakout box marks, spray printing or the number-mark that is pasted with for distinguishing different binding post.
Wherein, the number of described wire equals the number of the wiring contact of the Wiring port of detected equipment.
Wherein, the both sides of described breakout box are respectively arranged with first interface and the second interface, described first interface, are electrically connected by bus with the bus port of ECU; Described second interface, for being electrically connected with detected equipment.
Wherein, spray printing on the interface of described wire harness, mark or be pasted with number-mark for distinguishing different conductor.
Wherein, spray printing, marking or paste the number-mark of this wire on the described wire one end of matching with described binding post.
Wherein, the PVC integument of 0.1 millimeter-0.8 millimeter is surrounded by outside every bar wire of described wire harness.
Wherein, many line sets of described wire harness are combined into a cable, are surrounded by the PVC integument of 0.5 millimeter-1.5 millimeters outward.
The vehicle trouble detection method of the above embodiment of the present invention and device, by arranging breakout box and wire harness between ECU control module and detected equipment, utilization does not have out of order wire harness to replace original wire harness, if connect after not having out of order wire harness like this, if can run well, then describe the problem out at wire harness, if still can not run well, then describe the problem not at wire harness, so, eliminate fault go out wire harness may, therefore search without the need to broken line, thus ensure that the integrality of original circuit, further ensure the firmness of circuit, thus make the security performance of car load higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of vehicle trouble detection method of the present invention;
Fig. 2 is the structural representation of an embodiment of the breakout box of motor vehicle fault detection device of the present invention;
Fig. 3 a to Fig. 3 c is the inner structure schematic diagram of the binding post of breakout box of the present invention;
Fig. 4 is the structural representation of an embodiment of the wire harness of motor vehicle fault detection device of the present invention;
Fig. 5 is the structural representation of another embodiment of wire harness of the present invention.
Embodiment
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
Embodiments provide a kind of vehicle trouble detection method, shown in Figure 1, comprise step:
Step S110, draws binding post by each contact point of the bus port of ECU control module, and drawn binding post set is formed breakout box.
Obtain the numbering of each contact point of the bus port of motor vehicle ECU control module in advance; The numbering of the binding post of drawing with each contact point of described ECU control module is set to this contact point consistent.
Described numbering can be one or more combinations in arabic numeral, the Latin alphabet, Roman number.
Step S111, pulls out the original wire harness between ECU control module and detected equipment, connects described breakout box and detected equipment with not having out of order wire harness.
Described do not have out of order wire harness, refers to and can normally use, be not short-circuited, the wire harness of the fault such as open circuit, and this wire harness is the special wire harness with definition numbering for a certain consumer (detected equipment).
Each stitch one_to_one corresponding of every single line of this wire harness and the port be connected with ECU central control unit of detected equipment, and, the definition numbering one_to_one corresponding of every single line of this wire harness and breakout box described in this, the numbering of all nodes namely held on a circuit of extremely detected equipment end by ECU in whole circuit is consistent, if inconsistent, also the numbering with same content can be adopted, such as can with same letter representation same circuit, and the different numeral of different nodes, different nodes on such circuit, a1 can be used, a2, a3 represents.About the embodiment of numbering, can by multiple, those skilled in the art can make multiple enforcement by technical conceive according to the present invention, and the embodiment of the present invention does not enumerate.
Described detected equipment is other consumers in motor vehicle except central control unit, as sensor, other control modules, and the various electron device such as actuator.
Step S112, if detected equipment normally runs, then judges detected original wire harness fault between equipment and ECU control module.
Obviously, if after replacing original wire harness with intact wire harness, equipment can run well, then describe the problem out on former circuit.If detected equipment cannot normally run, then described in the equipment replacement of trouble-free and detected equipment same type, be detected equipment; If equipment normally runs, then judge described detected device fails; If still cannot normally run, then judge ECU control module fault.
The present invention also provides a kind of motor vehicle fault detection device, comprises breakout box and wire harness.
Described breakout box, be electrically connected with the ECU control module of motor vehicle, shown in Figure 2, comprise circuit board 11 and multiple outwardly binding post 12, described binding post 12 connects one to one with the wiring contact of the bus port of described ECU control module, and the wiring contact that each binding post 12 connects with this binding post 12 arranges consistent number-mark.
Wherein, the both sides of described breakout box are respectively arranged with first interface 13 and the second interface 14, and described first interface 13, is electrically connected by bus with the bus port of ECU; Described second interface 14, for being electrically connected with detected equipment.
Described binding post is bridge connection post, and each binding post is provided with end of incoming cables and leading-out terminal, respectively with ECU control module and detected equipment connection.Each binding post is made up of two terminals and a bridge architecture.Shown in Fig. 3 a to Fig. 3 c, structure shown in Fig. 3 B is bridge architecture, its side a and b is corresponding respectively inserts the A end of the terminals 121 shown in Fig. 3 a and the B end of terminals 122, and bottom and the ECU control module of 121 are electrically connected, and the bottom of 122 and consumer are electrically connected.As illustrated in figure 3 c, the C end shown in Fig. 3 c is exactly the insertion point of each binding post to planform after connection, when binding post is inserted in one end 21 of the wire harness namely shown in Fig. 4, is then be electrically connected with C point.Structure shown in Fig. 3 b is conducting in energising, namely A end, B end and C end are same node in circuit, there is almost identical electromotive force, that is, as illustrated in figure 3 c, terminals 121 and terminals 122 and binding post 12 are same node, there is same numbering, wire harness corresponding to the numbering of this node should be numbered consistent with the stitch of corresponding wire harness in ECU control module system, just terminals 121 and 122 are that to be arranged at circuit board inside invisible, and binding post is convex on circuit board, the stitch for wire harness inserts.
Described wire harness, be electrically connected between breakout box and detected equipment during use, shown in Figure 4, comprise many wires 23, the shape of one end (shown in Fig. 4 21) of wire 23 matches with the binding post 12 on described breakout box, the other end of many wires 23 is integrated into an interface 22, suitable with the Wiring port of detected equipment.
Numbering on one end 21 that each root wire is connected with breakout box should with the numbering one_to_one corresponding on breakout box, the numbering of each stitch of the interface 22 of wire harness and each stitch one_to_one corresponding of detected corresponding device, the stitch numbering one_to_one corresponding of detected equipment and ECU central control unit.
Preferably, the circuit board 11 on described breakout box marks, spray printing or be pasted with the number-mark of living for distinguishing different wiring.
Preferably, the number of shown described wire equals the number of the wiring contact of the Wiring port of detected equipment.
Shown in Figure 5, spray printing on the interface of described wire harness, mark or be pasted with number-mark for distinguishing different conductor.
Preferably, shown in Fig. 5, spray printing, marking or paste the number-mark of this wire on one end that described wire matches with described binding post.
Particularly, first, for automobile, by sensor, actuator, central control unit, and full car supply lines, ground wire carries out logical number.Every single line of each consumer of system (i.e. detected equipment) is corresponding with the stitch on wiring harness interface 22, unified arabic numeral numbering is set, makes wire harness to inject each stitch on one end 21 of breakout box and the numeral number one_to_one corresponding on wiring harness interface.
Press the motor circuit schematic diagram of central control unit, make wire harness adapter, the numbering on the numbering of wire harness, wire harness adapter and the numbering on circuit diagram are consistent.
When wire harness with suspicion is out of order time, pull out and suspect out of order equipment wire harness, connect consumer and breakout box with ready-made wire harness, replace the wire harness in existing car load and control system.Plug the corresponding wire harness having arabic numeral to number on the adapter.Former car, system wire harness can not be injured like this, can not hidden danger be left, conveniently fix a breakdown, can logical miss be solved, former car, system are protected better.
It should be noted that, the breakout box that the utility model provides and wire harness, also can be applicable to equipment research and development and performance test.Because the wire harness between different consumers and main control unit is not general, namely different equipment adopts the wire harness of different model and structure, therefore, in the prior art, when carrying out equipment performance test, sometimes the wire harness between custom-made equipment and ECU control module is needed, customization wire harness often needs to expend the long period, add the time cost of whole device fabrication research and development, and wire harness of the present utility model, specifically arrange for each dissimilar consumer, fault diagnosis can be carried out, also can assist other testing tools at research and development test phase simultaneously, the performance of product is tested, save the cost customizing special wire harness.
Preferably, the PVC integument of 0.1 millimeter-0.8 millimeter is surrounded by outside every bar wire of described wire harness.
Preferably, many line sets of described wire harness are combined into a cable, are surrounded by the PVC integument of 0.5 millimeter-1.5 millimeters outward.
The method that original overall wire sheaves is pushed aside or cut off of the prior art, very has limitation.Car load has the locus being much not easy to operate, such as, some lines from driving cabin to vehicle body in the middle part of chassis, and some sensor distance are far away, operating space is narrow and small, if sensor, wire harness, the wire harness in this three of central control unit has fault, with instrument, the wire harness of centre is pushed aside, go the mode getting rid of wire harness or the problem of miscellaneous part, first secondly more difficult operation, is prejudicial to former vehicle wire harness, easily cause the instability of system, for system stability from now on and security leave hidden danger.For automobile, be then have impact on stability and security.Because dialled rotten wire harness by instrument, namely use adhesive plaster wrap, at wind and rain, grieshoch, high temperature, under the environment of vibrations, be easy to fracture or to ground wire open circuit, short circuit, thus the stability and the security that affect automobile whole system.
Comprehensive, there is following shortcoming: the first in fault detection approach of the prior art, damages former vehicle wire harness, leaves hidden danger and infringement to car load and system; The second, the compact in design of former car, technician operating space is limited, operating difficulties; 3rd, can not get rid of one by one in multiple fault, have blindness, logicality is poor, easily forms erroneous judgement, causes the waste of service material device, thus produces economic loss, and work efficiency is lower.
And with vehicle trouble detection method of the present invention and device, by arranging wire harness and the breakout box of unique texture, fix a breakdown just relatively easy.Only needing to connect consumer with wiring harness interface, is wire harness failure problems or consumer problem with regard to getting rid of, or other problems.Such as, if suspecting is wire harness problem, dialling line without the need to going, only needing to remove connecting sensor or other consumers with this wire harness by the stitch definition on circuit diagram, if equipment runs well, just can determine that wire harness is out of order.
Like this, without the need to destroying original wire harness, also can realize the determination of abort situation, avoid blindly, time-consuming, effort with electricians' plier, the problem that electrician's knife goes to dial line and produces, improves the efficiency of fixing a breakdown, adds stability and security.Saved material cost, time cost and labor capacity, reduced the operation easier of technician, remained compact and the associative perception of original wire harness, it is more time saving and energy saving to operate, and efficiency is higher.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. vehicle trouble detection method, is characterized in that, comprises step:
Steps A, draws binding post by each contact point of the bus port of ECU control module, and drawn binding post set is formed breakout box, and number according to the stitch of ECU bus port, arranges number one to one the binding post on breakout box;
Step B, original wire harness between ECU control module and detected equipment is pulled out from described ECU control module, described original wire harness is connected with the second interface of described breakout box by the one end of pulling out, the first interface of described breakout box connects the bus port of described ECU control module, the binding post of described breakout box and detected equipment is connected with not having out of order wire harness, wherein, described breakout box comprises circuit board and multiple outwardly binding post, the both sides of described circuit board are respectively arranged with first interface and the second interface, described binding post is bridge connection post, each binding post is provided with end of incoming cables and leading-out terminal, respectively with ECU control module and detected equipment connection, each binding post is made up of two terminals and a bridge architecture, described bridge architecture comprises A end, B end and C end, C end is the insertion point of binding post, for being connected with described wire harness, described A end connects described first interface, described B end connects described second interface,
Step C, if detected equipment normally runs, then judges detected original wire harness fault between equipment and ECU control module.
2. vehicle trouble detection method according to claim 1, is characterized in that, also comprises step before described steps A:
Obtain the stitch definition numbering of each contact point of the bus port of motor vehicle ECU control module;
By with the numbering of the binding post that each contact point of described ECU control module is drawn be set to define with this contact point stitch number consistent.
3. vehicle trouble detection method according to claim 1, is characterized in that, after described step C, also comprises step:
If detected equipment cannot normally run, then described in the equipment replacement of trouble-free and detected equipment same type, be detected equipment;
If equipment normally runs, then judge described detected device fails; If still cannot normally run, then judge ECU control module fault.
4. motor vehicle fault detection device, is characterized in that, comprises breakout box and wire harness;
Described breakout box, be electrically connected with the ECU control module of motor vehicle, comprise circuit board and multiple outwardly binding post, the wiring contact of the bus port of described binding post and described ECU control module connects one to one, and each binding post arranges consistent number-mark with the wiring contact that this binding post connects;
The both sides of described circuit board are respectively arranged with first interface and the second interface, described first interface, are electrically connected by bus with the bus port of ECU; Described second interface, is electrically connected with detected equipment;
Described binding post is bridge connection post, each binding post is provided with end of incoming cables and leading-out terminal, respectively with ECU control module and detected equipment connection, each binding post is made up of two terminals and a bridge architecture, described bridge architecture comprises A end, B end and C end, and C end is the insertion point of binding post, for being connected with described wire harness, described A end connects described first interface, and described B end connects described second interface;
Described wire harness, is electrically connected at during use between breakout box and detected equipment, comprises many wires, and the shape of one end of wire matches with the binding post on described breakout box; The other end of many wires is integrated into an interface, suitable with the Wiring port of detected equipment.
5. motor vehicle fault detection device according to claim 4, is characterized in that, the circuit board on described breakout box marks, spray printing or the number-mark that is pasted with for distinguishing different binding post.
6. motor vehicle fault detection device according to claim 4, is characterized in that, the number of described wire equals the number of the wiring contact of the Wiring port of detected equipment.
7. motor vehicle fault detection device according to claim 4, is characterized in that, spray printing on the interface of described wire harness, marks or be pasted with number-mark for distinguishing different conductor;
And/or, spray printing, marking or paste the number-mark of this wire on one end that described wire matches with described binding post.
8. the motor vehicle fault detection device according to any one of claim 4-7, is characterized in that, is surrounded by the PVC integument of 0.1 millimeter-0.8 millimeter outside every bar wire of described wire harness.
9. the motor vehicle fault detection device according to any one of claim 4-7, is characterized in that, many line sets of described wire harness are combined into a cable, are surrounded by the PVC integument of 0.5 millimeter-1.5 millimeters outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310111141.6A CN103246278B (en) | 2013-04-01 | 2013-04-01 | Vehicle trouble detection method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310111141.6A CN103246278B (en) | 2013-04-01 | 2013-04-01 | Vehicle trouble detection method and device |
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| CN103246278A CN103246278A (en) | 2013-08-14 |
| CN103246278B true CN103246278B (en) | 2016-03-09 |
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| CN201310111141.6A Expired - Fee Related CN103246278B (en) | 2013-04-01 | 2013-04-01 | Vehicle trouble detection method and device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104280058A (en) * | 2014-10-28 | 2015-01-14 | 安徽艾可蓝节能环保科技有限公司 | Sensor inserting panel device |
| CN108535526A (en) * | 2018-04-13 | 2018-09-14 | 深圳新动力教育科技有限公司 | A kind of lossless automobile low-voltage electrical signal measurement apparatus and its application method |
| CN111707968A (en) * | 2020-06-17 | 2020-09-25 | 江苏爱玛车业科技有限公司 | Fault detection method for electric vehicle wireless controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5264796A (en) * | 1990-04-03 | 1993-11-23 | Ford Motor Company | Fault detection and isolation in automotive wiring harness including dedicated test line |
| CN2859555Y (en) * | 2005-10-20 | 2007-01-17 | 比亚迪股份有限公司 | Vehicle electric system failure diagnosis tool |
| CN201583621U (en) * | 2009-12-25 | 2010-09-15 | 三一重工股份有限公司 | Fault diagnosis system |
| CN201813047U (en) * | 2010-06-01 | 2011-04-27 | 杨述闳 | Undamaged switching-in adaptor for automobile CAN (Controller Area Network) bus |
| CN202110232U (en) * | 2011-07-06 | 2012-01-11 | 中国重汽集团济南动力有限公司 | Electrical failure simulation test box for vehicle |
| CN203203800U (en) * | 2013-04-01 | 2013-09-18 | 闫建 | Motor vehicle fault detection apparatus |
-
2013
- 2013-04-01 CN CN201310111141.6A patent/CN103246278B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5264796A (en) * | 1990-04-03 | 1993-11-23 | Ford Motor Company | Fault detection and isolation in automotive wiring harness including dedicated test line |
| CN2859555Y (en) * | 2005-10-20 | 2007-01-17 | 比亚迪股份有限公司 | Vehicle electric system failure diagnosis tool |
| CN201583621U (en) * | 2009-12-25 | 2010-09-15 | 三一重工股份有限公司 | Fault diagnosis system |
| CN201813047U (en) * | 2010-06-01 | 2011-04-27 | 杨述闳 | Undamaged switching-in adaptor for automobile CAN (Controller Area Network) bus |
| CN202110232U (en) * | 2011-07-06 | 2012-01-11 | 中国重汽集团济南动力有限公司 | Electrical failure simulation test box for vehicle |
| CN203203800U (en) * | 2013-04-01 | 2013-09-18 | 闫建 | Motor vehicle fault detection apparatus |
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